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814ec27f1e
These mappers can be used to render cell sets as glyphs. The following glyph types are available for scalar fields: - Cube - Sphere - Axes - Quads For vector fields: - Arrows
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_rendering_raytracing_Glyph_Extractor_h
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#define vtk_m_rendering_raytracing_Glyph_Extractor_h
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#include <vtkm/cont/DataSet.h>
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namespace vtkm
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{
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namespace rendering
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{
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namespace raytracing
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{
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class GlyphExtractor
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{
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public:
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GlyphExtractor();
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//
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// Extract all nodes using a constant size
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//
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void ExtractCoordinates(const vtkm::cont::CoordinateSystem& coords, const vtkm::Float32 size);
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//
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// Set size based on scalar field values. Each is interpolated from min to max
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//
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void ExtractCoordinates(const vtkm::cont::CoordinateSystem& coords,
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const vtkm::cont::Field& field,
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const vtkm::Float32 minSize,
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const vtkm::Float32 maxSize);
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//
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// Extract all vertex shapes with constant size
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//
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void ExtractCells(const vtkm::cont::UnknownCellSet& cells, vtkm::Float32 size);
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//
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// Extract all vertex elements with size based on scalar values
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//
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void ExtractCells(const vtkm::cont::UnknownCellSet& cells,
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const vtkm::cont::Field& field,
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const vtkm::Float32 minSize,
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const vtkm::Float32 maxSize);
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vtkm::cont::ArrayHandle<vtkm::Id> GetPointIds();
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vtkm::cont::ArrayHandle<vtkm::Float32> GetSizes();
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vtkm::Id GetNumberOfGlyphs() const;
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protected:
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void SetUniformSize(const vtkm::Float32 size);
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void SetVaryingSize(const vtkm::Float32 minSize,
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const vtkm::Float32 maxSize,
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const vtkm::cont::Field& field);
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void SetPointIdsFromCoords(const vtkm::cont::CoordinateSystem& coords);
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void SetPointIdsFromCells(const vtkm::cont::UnknownCellSet& cells);
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vtkm::cont::ArrayHandle<vtkm::Id> PointIds;
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vtkm::cont::ArrayHandle<vtkm::Float32> Sizes;
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}; // class GlyphExtractor
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}
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}
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} //namespace vtkm::rendering::raytracing
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#endif //vtk_m_rendering_raytracing_Glyph_Extractor_h
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